Recently discovered an Austin-based startup behind the RoundUp app. What if you could donate your spare change to a nonprofit of your choice? Let’s say 20-30 bucks a month gets donated by default. It amounts to ~$300 annually. If you convinced a hundred of your friends to donate their change, that’s $30k to your cause! If every generous person in America donated their spare change, many social problems could be solved.

Here’s how the Houston Food Bank is using the app: